11,486 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Catalysis-dependent selenium incorporation and migration in the nitrogenase active site iron-molybdenum cofactor

    Thomas Spatzal, Kathryn A Perez ... Douglas C Rees
    Unanticipated rearrangements in the nitrogenase active site establish the dynamic nature of the FeMo-cofactor during catalysis.
    1. Computational and Systems Biology
    2. Ecology

    Spatial structure favors microbial coexistence except when slower mediator diffusion weakens interactions

    Alexander Lobanov, Samantha Dyckman ... Babak Momeni
    Investigating microbial communities in a spatial environment in silico suggests that spatial structure promotes higher coexistence by allowing spatial self-organization, but can hinder coexistence by weakening interactions mediated through diffusible metabolites.
    1. Computational and Systems Biology
    2. Physics of Living Systems

    Nuclei determine the spatial origin of mitotic waves

    Felix E Nolet, Alexandra Vandervelde ... Lendert Gelens
    Nuclei and spatial system dimensions control local concentrations of cell cycle regulators, determining the spatial origin of waves that coordinate​ DNA replication and, subsequently, cell division.
    1. Neuroscience

    Landmark-based spatial navigation across the human lifespan

    Marcia Bécu, Denis Sheynikhovich ... Angelo Arleo
    Landmark cues preclude complex and flexible spatial navigation in human development and aging.
    1. Neuroscience

    Lying in a 3T MRI scanner induces neglect-like spatial attention bias

    Axel Lindner, Daniel Wiesen, Hans-Otto Karnath
    Exposing subjects to the magnetic field of an MRI scanner stimulates the vestibular organ and thereby induces a horizontal bias of spatial orienting and exploration similar to that seen in stroke patients with spatial neglect.
    1. Neuroscience

    How spatial release from masking may fail to function in a highly directional auditory system

    Norman Lee, Andrew C Mason
    The auditory periphery of Ormia ochracea does not allow for spatial release from masking.
    1. Cell Biology
    2. Immunology and Inflammation

    Spatially resolved transcriptomics reveals pro-inflammatory fibroblast involved in lymphocyte recruitment through CXCL8 and CXCL10

    Ana J Caetano, Yushi Redhead ... Paul T Sharpe
    Integrated single-cell and spatial genomics provides the first molecular map of the human oral mucosa and reveals a novel pro-inflammatory fibroblast involved in disease progression.
    1. Neuroscience

    The relationship between spatial configuration and functional connectivity of brain regions

    Janine Diane Bijsterbosch, Mark W Woolrich ... Stephen M Smith
    Connectivity network matrices, as estimated with masking or dual regression against group-level parcellations, reflect little or no unique cross-subject information that is not also captured by spatial topographical variability.
    1. Neuroscience

    Spatial frequency representation in V2 and V4 of macaque monkey

    Ying Zhang, Kenneth E Schriver ... Anna Wang Roe
    V2 and V4 contain orthogonal maps of orientation and spatial frequency, which indicates a fundamental principle of functional mapping across the cortical surface that ensures and optimizes the complete representation of all combinations across two coding dimensions.
    1. Neuroscience

    Gain, not concomitant changes in spatial receptive field properties, improves task performance in a neural network attention model

    Kai J Fox, Daniel Birman, Justin L Gardner
    Simple modifications to early stages of the visual hierarchy, such as gain changes, can induce complex effects on later stages, but only gain is both necessary and sufficient to explain enhanced perception during spatial attention.

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